2021-12-12 12:21:53 +00:00
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/-
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Copyright (c) 2021 Henrik Böving. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Authors: Henrik Böving
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-/
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import Lean
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import Std.Data.HashMap
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import DocGen4.Process
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import DocGen4.ToHtmlFormat
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import DocGen4.IncludeStr
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namespace DocGen4
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open Lean Std
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open scoped DocGen4.Jsx
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open IO System
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structure SiteContext where
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root : String
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result : AnalyzerResult
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abbrev HtmlM := Reader SiteContext
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def getRoot : HtmlM String := do (←read).root
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def getResult : HtmlM AnalyzerResult := do (←read).result
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def templateExtends {α β : Type} (base : α → HtmlM β) (new : HtmlM α) : HtmlM β :=
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new >>= base
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def nameToUrl (n : Name) : String :=
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(parts.intersperse "/").foldl (· ++ ·) "" ++ ".html"
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where
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parts := n.components.map Name.toString
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def nameToDirectory (basePath : FilePath) (n : Name) : FilePath :=
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basePath / parts.foldl (λ acc p => acc / FilePath.mk p) (FilePath.mk ".")
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where
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parts := n.components.dropLast.map Name.toString
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partial def moduleListAux (h : Hierarchy) : HtmlM Html := do
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if h.getChildren.toList.length == 0 then
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<div «class»="nav_link visible">
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<a href={s!"{←getRoot}{nameToUrl h.getName}"}>{h.getName.toString}</a>
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</div>
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else
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let children := Array.mk (h.getChildren.toList.map Prod.snd)
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-- TODO: Is having no children really the correct criterium for a clickable module?
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let (dirs, files) := children.partition (λ c => c.getChildren.toList.length != 0)
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let nodes := (←(dirs.mapM moduleListAux)) ++ (←(files.mapM moduleListAux))
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return <details «class»="nav_sect" «data-path»={←nameToUrl h.getName}>
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<summary>{h.getName.toString}</summary>
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[nodes]
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</details>
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def moduleList : HtmlM (Array Html) := do
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let hierarchy := (←getResult).hierarchy
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let mut list := Array.empty
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for (n, cs) in hierarchy.getChildren do
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list := list.push <h4>{n.toString}</h4>
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list := list.push $ ←moduleListAux cs
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list
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def navbar : HtmlM Html := do
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<nav «class»="nav">
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<h3>General documentation</h3>
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<div «class»="nav_link"><a href={s!"{←getRoot}"}>index</a></div>
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/-
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TODO: Add these in later
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<div «class»="nav_link"><a href={s!"{←getRoot}tactics.html"}>tactics</a></div>
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<div «class»="nav_link"><a href={s!"{←getRoot}commands.html"}>commands</a></div>
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<div «class»="nav_link"><a href={s!"{←getRoot}hole_commands.html"}>hole commands</a></div>
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<div «class»="nav_link"><a href={s!"{←getRoot}attributes.html"}>attributes</a></div>
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<div «class»="nav_link"><a href={s!"{←getRoot}notes.html"}>notes</a></div>
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<div «class»="nav_link"><a href={s!"{←getRoot}references.html"}>references</a></div>
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-/
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<h3>Library</h3>
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[←moduleList]
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</nav>
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def baseHtml (title : String) (site : Html) : HtmlM Html := do
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<html lang="en">
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<head>
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<link rel="stylesheet" href={s!"{←getRoot}style.css"}/>
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<link rel="stylesheet" href={s!"{←getRoot}pygments.css"}/>
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<link rel="shortcut icon" href={s!"{←getRoot}favicon.ico"}/>
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<title>{title}</title>
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<meta charset="UTF-8"/>
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<meta name="viewport" content="width=device-width, initial-scale=1"/>
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</head>
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<body>
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<input id="nav_toggle" type="checkbox"/>
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<header>
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<h1><label «for»="nav_toggle"></label>Documentation</h1>
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<p «class»="header_filename break_within">{title}</p>
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-- TODO: Replace this form with our own search
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<form action="https://google.com/search" method="get" id="search_form">
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<input type="hidden" name="sitesearch" value="https://leanprover-community.github.io/mathlib_docs"/>
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<input type="text" name="q" autocomplete="off"/>
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<button>Google site search</button>
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</form>
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</header>
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<nav «class»="internal_nav"></nav>
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{site}
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{←navbar}
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-- TODO Add the js stuff
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</body>
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</html>
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def notFound : HtmlM Html := do templateExtends (baseHtml "404") $
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<main>
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<h1>404 Not Found</h1>
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<p> Unfortunately, the page you were looking for is no longer here. </p>
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<div id="howabout"></div>
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</main>
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def index : HtmlM Html := do templateExtends (baseHtml "Index") $
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<main>
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<a id="top"></a>
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<h1> Welcome to the documentation page </h1>
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What is up?
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</main>
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def styleCss : String := include_str "./static/style.css"
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def moduleToHtml (module : Module) : HtmlM Html := do templateExtends (baseHtml module.name.toString) $
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<main>
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<h1>This is the page of {module.name.toString}</h1>
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</main>
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def htmlOutput (result : AnalyzerResult) : IO Unit := do
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-- TODO: parameterize this
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let config := { root := "/", result := result }
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let basePath := FilePath.mk "./build/doc/"
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let indexHtml := ReaderT.run index config
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let notFoundHtml := ReaderT.run notFound config
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FS.createDirAll basePath
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FS.writeFile (basePath / "index.html") indexHtml.toString
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FS.writeFile (basePath / "style.css") styleCss
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FS.writeFile (basePath / "404.html") notFoundHtml.toString
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for (module, content) in result.modules.toArray do
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let moduleHtml := ReaderT.run (moduleToHtml content) config
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let path := basePath / (nameToUrl module)
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FS.createDirAll $ nameToDirectory basePath module
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FS.writeFile path moduleHtml.toString
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end DocGen4
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